// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/task_scheduler/sequence_sort_key.h"

namespace base {
namespace internal {

    SequenceSortKey::SequenceSortKey(TaskPriority priority,
        TimeTicks next_task_sequenced_time)
        : priority_(priority)
        , next_task_sequenced_time_(next_task_sequenced_time)
    {
    }

    bool SequenceSortKey::operator<(const SequenceSortKey& other) const
    {
        // This SequenceSortKey is considered less important than |other| if it has a
        // lower priority or if it has the same priority but its next task was posted
        // later than |other|'s.
        const int priority_diff = static_cast<int>(priority_) - static_cast<int>(other.priority_);
        if (priority_diff < 0)
            return true;
        if (priority_diff > 0)
            return false;
        return next_task_sequenced_time_ > other.next_task_sequenced_time_;
    }

} // namespace internal
} // namespace base
